Cthfthbviz
Answered

find the perimeter of each.
1. a square whose side measures 10 meters.
2. a rectangle 20 meters long and 14 meters wide.
3. a triangle whose sides are 14 cm, 10 cm and 15 cm.
4. a trapezoid whose sides are 8dm, 6dm, 10dm and 6dm.
5. a parallelogram whose sides are 22 cm and 16 cm.​

Sagot :

Mushroomchannel11viz

Answer:

1. 40 meters

2. 68 meters

3. 39 centimeters

4. 30 decimeters

5. 76 centimeters

Step-by-step explanation:

Psquare= 4s

Prectangle= 2l+2w

Ptriangle= s+s+s

Aera7viz

Answer:

1.P=40 meters

2.P=68 meters

3.P=39 cm

4.P=30 dm

5.P=76 cm

Step-by-step explanation:

1.P=4s

P=4(10)

P=40 meters

2.P=2l+2w

P=2(20)+2(14)

P=40+28

P=68 meters

3.P=a+b+c

P=14+10+15

P=39 cm

4.P=a+b+c+d

P=8+6+10+6

P=30 dm

5.P=2(a+b)

P=2(22+16)

P=2(38)

P=76 cm